An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Synchrotron radiation 2D axial images of stent grafts C and D with use of different beam energies ranging from 60 to 90 keV at the top of stent grafts.